Search a number
-
+
39792938101 = 75684705443
BaseRepresentation
bin100101000011110110…
…000000110001110101
310210201020102200222021
4211003312000301311
51122443443004401
630140340433141
72606051251540
oct450366006165
9123636380867
1039792938101
1115970092404
1278666a87b1
1339a21c4b27
141cd6cab857
15107d7352a1
hex943d80c75

39792938101 has 4 divisors (see below), whose sum is σ = 45477643552. Its totient is φ = 34108232652.

The previous prime is 39792938099. The next prime is 39792938113. The reversal of 39792938101 is 10183929793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10183929793 = 84671202779.

It is a cyclic number.

It is not a de Polignac number, because 39792938101 - 21 = 39792938099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39792938131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2842352715 + ... + 2842352728.

It is an arithmetic number, because the mean of its divisors is an integer number (11369410888).

Almost surely, 239792938101 is an apocalyptic number.

It is an amenable number.

39792938101 is a deficient number, since it is larger than the sum of its proper divisors (5684705451).

39792938101 is an equidigital number, since it uses as much as digits as its factorization.

39792938101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684705450.

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 39792938101 in words is "thirty-nine billion, seven hundred ninety-two million, nine hundred thirty-eight thousand, one hundred one".

Divisors: 1 7 5684705443 39792938101